22145030352 has 30 divisors (see below), whose sum is σ = 61975328402. Its totient is φ = 7381676736.

The previous prime is 22145030339. The next prime is 22145030353. The reversal of 22145030352 is 25303054122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22134298176 + 10732176 = 148776^2 + 3276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145030353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76892323 + ... + 76892610.

Almost surely, 2^22145030352 is an apocalyptic number.

It is an amenable number.

22145030352 is an abundant number, since it is smaller than the sum of its proper divisors (39830298050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22145030352 is a wasteful number, since it uses less digits than its factorization.

22145030352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153784947 (or 153784938 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 22145030352 its reverse (25303054122), we get a palindrome (47448084474).

The spelling of 22145030352 in words is "twenty-two billion, one hundred forty-five million, thirty thousand, three hundred fifty-two".